Norethisterone is used to treat irregular, painful or heavy periods, premenstrual syndrome (PMS) and endometriosis. It may also be used to delay periods.
Take norethisterone as directed with a glass of water.
Take the missed dose as soon as possible. If it is close to the time for your next dose, skip the missed dose and carry on as normal. Do not take two doses at the same time.
Tell your pharmacist or doctor about all medicines or treatments that you may be taking, including vitamins, herbal products (e.g. St John's wort) or recreational drugs.
|Side Effects||Recommended action|
Symptoms of a blood clot including: sudden shortness of breath, swelling or pain in one leg
Symptoms of a stroke including: sudden weakness of the face, arm or leg, especially on one side, face drooping, sudden changes in vision or speech, sudden loss of balance
|Tell your doctor immediately|
Changes in periods
Mood changes, headache
Brown patches on the face
|Tell your doctor if troublesome|
If you notice any other effects, discuss them with your doctor or pharmacist.
This leaflet contains important, but not all, information about this medicine.
Prepared by the PILs Committee at Christchurch Hospital, Canterbury District Health Board, New Zealand. September 2019
For more general information about this sheet annd its contents, see: What does a My Medicines sheet cover?
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My Medicines Patient Information Leaflets (PILs) contain important, but not all, information about the medicines they describe.
For more information about the sheets, see: What does a My Medicines sheet cover?
My Medicines is developed by a team at the Canterbury District Health Board. Our team is made up of doctors, pharmacists, and a non-medical person to help us keep to plain language. We also discuss our information with specialist health professionals or groups when needed